Windows Update Definitions

Update A widely released fix for a specific problem. An update addresses a noncritical, non-security-related bug.
Update rollup A tested, cumulative set of hotfixes, security updates, critical updates, and updates that are packaged together for easy deployment. A rollup generally targets a specific area, such as security, or a component of a product, such as Internet Information Services (IIS). Update A widely released fix for a specific problem. An update addresses a noncritical, non-security-related bug.
Critical update  A widely released fix for a specific problem that addresses a critical, non-security-related bug.
Definition update  A widely released and frequent software update that contains additions to a product’s definition database. Definition databases are often used to detect objects that have specific attributes, such as malicious code, phishing websites, or junk mail.
Driver Software that controls the input and output of a device.
Feature pack New product functionality that is first distributed outside the context of a product release and that is typically included in the next full product release.
Security update  A widely released fix for a product-specific, security-related vulnerability. Security vulnerabilities are rated by their severity. The severity rating is indicated in the Microsoft security bulletin as critical, important, moderate, or low.
Service pack A tested, cumulative set of all hotfixes, security updates, critical updates, and updates. Additionally, service packs may contain additional fixes for problems that are found internally since the release of the product. Service packs my also contain a limited number of customer-requested design changes or features
Tool A utility or feature that helps complete a task or set of tasks.

 

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